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A Kudla-Rapoport Formula for Exotic Smooth Models of Odd Dimension

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arxiv 2404.14431 v1 pith:EMS4UPTR submitted 2024-04-18 math.NT

classification math.NT
keywords cyclesmathcalarithmeticconjecturedimensionexotickudla-rapoportsmooth
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abstract

In this article, we prove a Kudla-Rapoport conjecture for $\mathcal{Y}$-cycles on exotic smooth unitary Rapoport-Zink spaces of odd arithmetic dimension, i.e. the arithmetic intersection numbers for $\mathcal{Y}$-cycles equals the derivatives of local representation density. We also compare $\mathcal{Z}$-cycles and $\mathcal{Y}$-cycles on these RZ spaces. The method is to relate both geometric and analytic sides to the even dimensional case and reduce the conjecture to the results in arXiv:2101.09485.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. More regular formal moduli spaces and arithmetic transfer conjectures: the ramified quadratic case

    math.NT 2025-07 conditional novelty 7.0 of 10

    For ramified quadratic extensions, the paper introduces arithmetic transfer conjectures, proves them for n=1, and establishes structural results on exceptional divisors and correspondences.

  2. Kudla-Rapoport conjecture for unramified maximal parahoric level

    math.NT 2025-04 conditional novelty 7.0 of 10

    The author proves the local Kudla-Rapoport conjecture at maximal parahoric level for unramified unitary groups and all mixed Z/Y cycles, plus a global arithmetic Siegel-Weil formula.

  3. Unitary Shimura varieties at ramified primes and arithmetic transfer

    math.AG 2025-04 accept novelty 7.0 of 10

    The paper proves the arithmetic transfer conjecture for unitary Rapoport-Zink spaces in full generality by constructing comparison isomorphisms between absolute and relative local models and p-divisible group categories.

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